package lanqiao;

/**
 * @Project : ProgrammingExercises
 * @Package : LanQiao.PrepareForCompetition
 * @File : Q2060.java
 * @Author : WangRuoyu
 * @Date 2023/3/10 17:23
 */
public class Q2060 {
    public static void main(String[] args) {
        System.out.println(4+19+20*21);
    }
}
